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Finding the Fourth Proportional to 701,556.48, 968,145.05 and 379,266.48

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Solution

The fourth proportional to 701,556.48, 968,145.05 and 379,266.48 is: 523,386.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,556.48 : 968,145.05 = 379,266.48 : x
  2. Step 2: Convert to fraction form
    701,556.48/968,145.05 = 379,266.48/x
  3. Step 3: Cross multiply
    701,556.48x = 968,145.05 × 379,266.48
  4. Step 4: Simplify right side
    701,556.48x = 367,184,963,346.59
  5. Step 5: Solve for x
    x = 367,184,963,346.59/701,556.48
  6. Step 6: Final answer
    x = 523,386.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.